Add Socket Libraries.

Add Posix functions for porting compatibility.
Fix compliance issues with ISO/IEC 9899:199409
New Functions:
  setenv(), fparseln(), GetFileNameFromPath(), rename(),
  realpath(), setprogname(), getprogname(), strlcat(), strlcpy(),
  strsep(), setitimer(), getitimer(), timegm(), getopt(), basename(),
  mkstemp(), ffs(), vsnprintf(), snprintf(), getpass(), usleep(), select(),
  writev(), strcasecmp(), getcwd(), chdir(), tcgetpgrp(), getpgrp(), gettimeofday(),
  bcopy(), 


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12061 6f19259b-4bc3-4df7-8a09-765794883524

StdLib/LibC/Uefi/StubFunctions.c

@@ -0,0 +1,79 @@
+/** @file
+  Implement the invalid functions to return failures.
+
+  Copyright (c) 2011, Intel Corporation
+  All rights reserved. This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+#include  <sys/EfiCdefs.h>
+#include  <sys/featuretest.h>
+#include  <namespace.h>
+#include  <stdio.h>
+#include  <pwd.h>
+#include  <errno.h>
+
+struct passwd *
+getpwuid (uid_t uid)
+{
+  uid;
+  errno = EPERM;
+  return NULL;
+}
+
+char *getlogin (void)
+{
+  errno = EPERM;
+  return NULL;
+}
+
+struct passwd *
+getpwnam (const char *name)
+{
+  name;
+  errno = EPERM;
+  return NULL;
+}
+
+uid_t getuid (void)
+{
+  return 0;
+}
+
+pid_t fork (void)
+{
+  errno = EPERM;
+  return (-1);
+}
+
+int chmod (const char *c, mode_t m)
+{
+  errno = EPERM;
+  return (-1);
+}
+
+pid_t   wait(int *stat_loc) {
+  return 0;
+}
+
+FILE *popen (const char *cmd, const char *type)
+{
+  errno = EPERM;
+  return NULL;
+}
+
+int pclose (FILE *stream)
+{
+  errno = EPERM;
+  return -1;
+}
+
+int access (const char *path, int amode)
+{
+  return 0;
+}